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Add missing VDSO_{NAME,HASH}_* macros and use them for PREPARE_VERSION_KNOWN

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Define all currently used Linux versions used for
PREPARE_VERSION{,_KNOWN} in sysdeps/unix/sysv/linux/dl-vdso.h and use
them instead of duplicating the versions and precomputed hashes across
architecture specific files.

	* sysdeps/unix/sysv/linux/aarch64/gettimeofday.c (INIT_ARCH): Use
	PREPARE_VERSION_KNOWN.
	* sysdeps/unix/sysv/linux/aarch64/init-first.c: Likewise.
	* sysdeps/unix/sysv/linux/dl-vdso.h (VDSO_NAME_LINUX_2_6_39): New
	define.
	(VDSO_HASH_LINUX_2_6_39): Likewise.
	(VDSO_NAME_LINUX_4_9): Likewise.
	(VDSO_HASH_LINUX_4_9): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/gettimeofday.c (INIT_ARCH): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/init-first.c
	(_libc_vdso_platform_setup): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/time.c (INIT_ARCH): Likewise.
	* sysdeps/unix/sysv/linux/s390/init-first.c (_libc_vdso_platform_setup):
	Likewise.
	* sysdeps/unix/sysv/linux/x86_64/init-first.c (__vdso_platform_setup):
	Likewise.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Tobias Klauser
2019-06-21 10:36:52 -03:00
committed by Adhemerval Zanella
parent ce5b73a7c3
commit 85c748f9ff
9 changed files with 34 additions and 11 deletions
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4
sysdeps/unix/sysv/linux/powerpc/time.c
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@@ -66,8 +66,8 @@ time_syscall (time_t *t)
return result;
}
# define INIT_ARCH() \
PREPARE_VERSION (linux2615, "LINUX_2.6.15", 123718565); \
# define INIT_ARCH() \
PREPARE_VERSION_KNOWN (linux2615, LINUX_2_6_15); \
void *vdso_time = _dl_vdso_vsym ("__kernel_time", &linux2615);
/* If the vDSO is not available we fall back to the syscall. */